Sentences with phrase «specific hazardous substances»
They have been, however, negotiated via political / diplomatic means and they are often vague and lacking in hard - hitting enforcement measures, unless it is for specific hazardous substances.
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Before conducting any task, an operative should consult the risk assessment, follow the directions on the product labels, use hazardous substances only for the specified purpose, dilute according to specific instructions, open containers with care and never leave containers open.